Assertion (A): In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.Reason (R): In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.

Question

Assertion (A):  In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.Reason (R):  In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.

TuteeHUB · Accepted Answer

A is true R is false

TuteeHUB · Answer

Both A and R are true and R is correct explanation of A

TuteeHUB · Answer

Both A and R are true but R is not correct explanation of A

TuteeHUB · Answer

A is false R is true

1.	Assertion (A): In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.Reason (R): In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.
A.	Both A and R are true and R is correct explanation of A
B.	Both A and R are true but R is not correct explanation of A
C.	A is true R is false
D.	A is false R is true
Answer» C. A is true R is false

Assertion (A): In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.Reason (R): In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.

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